Here's how the 25 richest people in UK tech made their money

Richard Branson is on the list. Reuters The United Kingdom may not be home to Mark Zuckerberg or Bill Gates, but there's still more than a dozen technology billionaires in the country and the country's tech scene continues to boom.

Each one of them mastered their profession and used their innovative and entrepreneurial spirit to leave their footprint in the tech world.

We've rounded up the 25 wealthiest tech entrepreneurs and investors in Britain, from this year's The Sunday Times Rich List, and looked at how they made their money.

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25. Mike Lynch — Net worth: £470 million ($718 million)

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Where the money came from: In 1996, Lynch founded the software company Autonomy. It continued to grow before he sold it to HP for £6.5 billion ($9.94 billion) in October 2011. HP fired Mike Lynch in 2012 following "disappointing results."

Age: 45

Overall rank on the Sunday Times Rich List: 235

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24. Peter Jones — Net worth: £475 million ($726 million)

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Where the money comes from: The entrepreneur probably best know for his role on "Dragon's Den" is heavily involved in the telecoms industry. He recently launched Brandpath, a merger of his previous telecoms investments.

21. Scott Farquhar — Net worth: £586 million ($896 million)

Atlassian

Where the money came from: Farquhar is one of the two co-founders of software company Atlassian. Farquhar and co-founder Mike Cannon-Brookes recently moved to London to prepare for a Nasdaq stock market float.

Age: 35

Overall rank on the Sunday Times Rich List: 192

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20. Mike Cannon-Brookes — Net worth: £591 million ($904 million)

YouTube / TelstraEnterprise

Where the money came from: Cannon-Brookes co-founded software company Atlassian. He met co-founder Scott Farquhar at university, founded the software company in 2002 and by 2014, aged 34, they were featured on BRW's Rich List as billionaires.

Age: 35

Overall rank on the Sunday Times Rich List: 189

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19. Andrey Andreev — Net Worth: £700 million ($1.07 billion)

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Where the money came from: Andreev created Badoo in 2006, a London-based social network popular in Latin American.

Age: 35

Overall rank on the Sunday Times Rich List: 160

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18. Mo Ibrahim — Net worth: £710 million ($1.08 billion)

Mo Ibrahim (L) participates in a session of the U.S.-Africa Business Forum on 'Open Markets: Financing The Africa Of Tomorrow,'
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Where the money came from: Sudanese-born, Ibrahim's fortune comes from telecoms, and he founded African telecommunications company Celtel.

14. David Ross — Net worth: £1 billion ($1.53 billion)

Where the money came from: Ross' billion-dollar fortune comes from co-founding mobile phone retailer Carphone Warehouse. Founder Charles Dunstone was the public face of the company while Ross was its "secret weapon," developing and driving its high-street retail branches. He resigned from Carphone Warehouse in 2008.

Age: 49

Overall rank on the Sunday Times Rich List: 108

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13. Lord Sugar — Net worth: £1.04 billion ($1.59 billion)

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Where the money came from: One of Britain's best-known businessmen, Lord Sugar founded consumer electronics company Amstrad in 1968. He is now the face of "The Apprentice."

Age: 68

Overall rank on the Sunday Times Rich List: 101

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12. Sir Terry Matthews — Net worth: £1.04 billion ($1.59 billion)

Sir Terry Matthews, Chairman of The Celtic Manor Resort talks to the media during a press conference for the 2010 Ryder Cup
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Where the money came from: Matthews is a telecoms entrepreneur who started out working at British Telecom and went on to found Mitel and Newbridge Networks.

Actor Alki David and guest arrive at the "The Bank Job" world premiere at the Odeon West End on February 18, 2008 in London, England.
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Where the money came from: The Greek entrepreneur runs TV channel streaming site FilmOn amongst other Internet ventures, and his family is also invested in Coca-Cola Hellenic.

Age: 46

Overall rank on the Sunday Times Rich List: 80

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10. John Caudwell — Net worth: £1.45 billion ($2.22 billion)

John Caudwell attends the Amy Winehouse Foundation Ball at The Landmark Hotel with his then-partner Claire Johnson on November 18, 2014 in London.
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Where the money came from: The Caudwell Group, launched in 1986, sold mobile phones while they were still in their infancy — making Caudwell rich. Its retail arm was Phones 4u. Caudwell ultimately sold the business in 2006.

Where the money comes from: Moritz is chairman of Silicon Valley venture capital firm Michael Moritz. He has invested in PayPal, Google, Yahoo, Zappos, YouTube, and numerous other tech companies. He has also written a book on Apple.

Age: 60

Overall rank on the Sunday Times Rich List: 52

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8. Sir Charles Dunstone — Net worth: £1.9 billion ($2.91 billion)

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Where the money came from: Dunstone co-founded mobile phone retail chain Carphone Warehouse from his flat in Marylebone, London, using £6000 of savings. He also chairs the TalkTalk group.

Where the money came from: Peter's daughter Denise founded Bet365 in 2000, which has since grown to become one of the biggest online gambling companies in the world. Brother John also helps run the company.

Age: 47

Overall rank on the Sunday Times Rich List: 44

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6. Teddy Sagi — Net worth: £2.53 billion ($3.87 billion)

Where the money came from: Sagi founded Playtech in 1999, a software company that helps power online gaming and gambling. It had 2014 revenues of €457 billion. Although he was born in Israel, London is the billionaire's playground. He recently bought North London's Camden Market.

5. Mark Scheinberg — Net worth: £2.76 billion ($4.22 billion)

Where the money came from: Scheinberg co-founded the wildly successful online gambling platform PokerStars along with his father.

Age: 41

Overall rank on the Sunday Times Rich List: 36

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4. James Dyson — Net worth: £3.5 billion ($5.36 billion)

Sir James Dyson gives British Prime Minister David Cameron a tour of the Dyson factory.
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Where the money came from: Dyson is a prolific British inventor, famous for his high-tech hoovers. His more recent notable inventions include the Dyson Airblade hand dryer and the Air Multiplier, a fan without external blades.

Age: 68

Overall rank on the Sunday Times Rich List: 22

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3. Sir Richard Branson — Net worth: £4.1 billion ($6.28 billion)

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Where the money came from: The rockstar entrepreneur began by launching his Virgin Records music stores, which eventually became more than 400 companies under the umbrella of the Virgin Group. One notable tech venture is Virgin Galactic, Branson's space exploration company.

1. David and Simon Reuben — Net worth: £9.7 billion ($14.8 billion)

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Where the money came from: The brothers' family moved to the UK from India in the fifties. They invested heavily in the metals market, but have since turned their gaze to property and internet investments. They own Global Switch, one of the largest data centre providers in Europe and Asia.